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Zolol [24]
3 years ago
8

The current rapid loss of species is considered by many scientists to be another mass extinction. what may be causing this incre

ase in extinction rate, beyond background extinction?
Biology
1 answer:
vlabodo [156]3 years ago
5 0
There have been 5 mass extinctions in the history of Earth, the main two are the K-T extinction (75% of the world organisms were killed) and the great paleozoic extinction. Scientists believe a massive meteorite caused the KT extinction but could also have been caused by some traps in India. The paleozoic extinction was believed to be caused by traps in Siberia which effected the temperature and atmospheric conditions of the tune
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What factors are required for population growth?
GREYUIT [131]

Answer:

Factors that cause population growth include increased food production, improved health care services, immigration and high birth rate. These factors have led to overpopulation, which has more negative effects than positive impacts.

Explanation:

8 0
3 years ago
The body of mrs. morgan's vertebra is fractured. what type of bone tissue makes up the majority of the vertebral body? describe
ch4aika [34]
The type of bone tissue that makes up the majority of the vertebral body is the cancellous bone tissue.
7 0
4 years ago
What would be the magnification of a specimen viewed with a compound light microscope that has an objective power of 100x and an
Whitepunk [10]

Therefore, a 10x eyepiece used with a 40X objective lens, will produce a magnification of 400X. The naked eye can now view the specimen at a magnification 400 times greater and so microscopic details are revealed. More on objective lenses here. Magnification is the ability to view an object as larger.

8 0
3 years ago
Read 2 more answers
A woman is heterozygous for the CF-associated gene (the alleles are represented here by the letters A and a). Assuming that meio
harkovskaia [24]

Answer:

The correct answer is C.

Explanation:

In the question, it is stated that the woman is heterozygous, which means she posseses both the dominant allele and the recessive allele (A and a). So taking this information into account, she can produce eggs given with the option C (Aa) which include both the dominant and recessive alleles.

I hope this answer helps.

4 0
3 years ago
Which of the following will be expected to be activated during times of prolonged starvation? (select all correct answers)
Scilla [17]

Answer:

Option A

Option D

Option F

Explanation:

During the process of continuous starvation for a long period of time, the primary source of energy in body is hepatic gluconeogenesis which is responsible for producing endogenous glucose. Also lipolysis takes place in the adipose tissue to release fatty acid which is then converted into ketone bodies through though mitochondrial β oxidation and ketogenesis. The liver communicates with extrahepatic tissues, including adipose tissue and skeletal muscle and deliver glucose and ketone bodies to muscle and other extrahepatic tissues as fuels.  

Hence, option A, D and F are true.

5 0
3 years ago
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